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#1
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Old Handprint in Cement
Hello. I am a new poster to this board.
When I was very small, my mom pressed my hand into some cement that was poured in our driveway. It has been some 30 years since (it's so cute!). Anyway, I would like to pour plaster or something into the handprint, allow it to dry, and voila, my little hand will be portable. I assume I need to line the print with something so the plaster will pop out. Any ideas on how I can accomplish this? Many thanks for suggestions. Marcy |
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#2
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#4
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#5
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Hi Marcy
I make casts of several things! What works the best for me is using a polyester resin to get the image and then using that as the mold to make plaster castings. Polyester resin remains somewhat flexible allowing you to remove it from undercuts and then it hardens to rigid. On things we need to maintain the undercuts and still get the mold off, we use vinyl or rubber to make the initial mold. If you don't have a good mold release formula at your fingertips, silicone spray, vaseline or soft wax can be substituted. TTUL Gary |
#6
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WD40 is plenty oily for something like this. I know, I've done it before.
Andy http://www.neoglassic.com (Lew Fah) wrote in message ... In article , says... Spray the cement with WD40 or even Vaseoline. Pour in the plaster, let dry and remove. I agree with the vaseline but doubt that WD40 will do the job since it's not oily enough. WD40 is mistakenly thought of as a lubricant by some people when it isn't even a very good solvent, but it is a good anti-wetting agent. If a spray application is needed, I think I'd use a non-stick cooking oil in a spray can. |
#7
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Thanks for all the suggestions everyone. It has been rainy so I
haven't had a chance to try it yet. |
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